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Shivani , asked a question
Subject: Science , asked on 7/6/12

 derivation - equation of motion by graphical method

EXPERT ANSWER

Somnath Mazumder , Meritnation Expert added an answer, on 8/6/12

Here is the derivation of the equations of motion by graphical method. Follow the graph:

Let us suppose that v 0 is the initial velocity of the particle, at time t = 0, and v be the velocity of the particle at t = t. 

The acceleration a of the particle can be written as,

This is the 1 st kinematic equations for uniformly accelerated motion.

Suppose, the particle travels a distance x in the time t .

The area of blue colored part gives the distance covered x .

So,

This is the 2 nd equation.

Now, for the 3 rd equation we shall modify the equation:

 

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